Cross-Domain Approximate String Matching

  • Authors:
  • Daniel Lopresti;Gordon Wilfong

  • Affiliations:
  • -;-

  • Venue:
  • SPIRE '99 Proceedings of the String Processing and Information Retrieval Symposium & International Workshop on Groupware
  • Year:
  • 1999

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Abstract

Approximate string matching is an important paradigm in domains ranging from speech recognition to information retrieval and molecular biology. In this paper, we introduce a new formalism for a class of applications that takes two strings as input, each specified in terms of a particular domain, and performs a comparison motivated by constraints derived from a third, possibly different domain. This issue arises, for example, when searching multimedia databases built using imperfect recognition technologies (e.g., speech, optical character, and handwriting recognition). We present a polynomial time algorithm for solving the problem, and describe several variations that can also be solved efficiently.